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Hydrogel Bioadhesive
In article number 2300394, Tao Liu, Zhenzhen Liu, and co‐workers propose a facile strategy to construct an asymmetrically adhesive hydrogel bioadhesive in one‐step. The difference in adhesive strength achieved is as high as 20 times that between the two sides of one hydrogel, attaining one‐sided robust adhesion to wet tissue, simultaneously preventing post‐operative adhesion for...
Facile fabrication of asymmetrically adhesive hydrogel with robust wet tissue adhesion simultaneously with effective anti‐postoperative adhesion still remains a great challenge. In this work, an integrally formed Janus hydrogel is facilely fabricated in one step by controlling the interfacial distribution of free carboxyl groups on the two sides of hydrogels. At a lower stirring speed, the generated...